[CentOS] To PAE or not to PAE...
John Doe
jdmls at yahoo.com
Fri Jul 23 10:21:22 UTC 2010
From: Hakan Koseoglu <hakan at koseoglu.org>
> > In the past, I heard that these 700MB were normally reserved for bios or
>chipset
> It still is, even with with 64 bit. If your motherboard supports
> remapping this memory with 64 bit you can use the whole 4GB. Otherwise
> you're limited to 3.2:
>
> hakan at photon:~$ free -m
> total used free shared buffers cached
> Mem: 3262 1972 1290 0 103 737
> -/+ buffers/cache: 1131 2131
> Swap: 7812 308 7504
> hakan at photon:~$ arch
> x86_64
Thx for all the answers.
As a matter of fact, while my Dell Vostro 410 was getting 3.3GB without PAE,
a new Vostro 430 was getting only 3GB (but a full 4GB in PAE)...
I went anyway for the non PAE just for peace of mind and because 3GB is still
plenty.
Thx,
JD
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